Home / 272,396,005.80-408,594,008.70-163,344,312.60

Finding the Fourth Proportional to 272,396,005.80, 408,594,008.70 and 163,344,312.60

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Solution

The fourth proportional to 272,396,005.80, 408,594,008.70 and 163,344,312.60 is: 245,016,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,396,005.80 : 408,594,008.70 = 163,344,312.60 : x
  2. Step 2: Convert to fraction form
    272,396,005.80/408,594,008.70 = 163,344,312.60/x
  3. Step 3: Cross multiply
    272,396,005.80x = 408,594,008.70 × 163,344,312.60
  4. Step 4: Simplify right side
    272,396,005.80x = 66,741,507,483,579,912
  5. Step 5: Solve for x
    x = 66,741,507,483,579,912/272,396,005.80
  6. Step 6: Final answer
    x = 245,016,468.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.